Home / 132,867.27-199,196.28-66,273.12

Finding the Fourth Proportional to 132,867.27, 199,196.28 and 66,273.12

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Solution

The fourth proportional to 132,867.27, 199,196.28 and 66,273.12 is: 99,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,867.27 : 199,196.28 = 66,273.12 : x
  2. Step 2: Convert to fraction form
    132,867.27/199,196.28 = 66,273.12/x
  3. Step 3: Cross multiply
    132,867.27x = 199,196.28 × 66,273.12
  4. Step 4: Simplify right side
    132,867.27x = 13,201,358,967.99
  5. Step 5: Solve for x
    x = 13,201,358,967.99/132,867.27
  6. Step 6: Final answer
    x = 99,357.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.